PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($) $ in Millions	Jun. 30, 2019	Jun. 30, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Value added tax, sales and other non-income tax assets	$ 209.3	$ 235.4
Expected income tax refunds, credits and prepaid income taxes	135.3	101.3
Prepaid marketing, copyright and agency fees	118.9	119.6
Non-trade receivables	22.8	29.9
Prepaid rent, leases and insurance	14.8	17.3
Interest rate swap assets	0.0	17.1
Other	76.7	83.3
Total prepaid expenses and other current assets	$ 577.8	$ 603.9